CN217912479U

CN217912479U - Tower crane standard festival web member V type mouth die

Info

Publication number: CN217912479U
Application number: CN202222296128.XU
Authority: CN
Inventors: 唐建军; 王磊; 陈超
Original assignee: Zhejiang Huba Construction Machinery Co ltd
Current assignee: Zhejiang Huba Construction Machinery Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-29
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of die equipment, in particular to a V-shaped opening punching die for a standard web member of a tower crane, which is used for punching and shearing a V-shaped opening for an 80-square web member and comprises an upper die and a lower die; the lower part of the upper die is provided with a stamping head with a V-shaped column structure; the lower die comprises a punching fixed seat; a V-shaped stamping hole matched with the stamping head is formed in the stamping part fixing seat; the punching hole is communicated with the upper side and the lower side of the punching piece fixing seat; the stamping head is arranged on the upper side of the stamping part fixing seat, and the stamping head slides up and down relative to the stamping part fixing seat under the action of external force; when punching and shearing the web member, the punching press head link up the punching press hole, and the maximum stroke of punching press head lower extreme is located the downside of web member, through the utility model discloses can realize improving 80 square web member V type mouthful punching and shearing efficiency and precision.

Description

Tower crane standard festival web member V type mouth die

Technical Field

The utility model relates to a mould equipment technical field, concrete field is a tower crane standard festival web member V type mouth die.

Background

The standard section web member is an important structural member in a standard section of the tower crane, and in the process of building the standard section, a V-shaped interface needs to be arranged at one end of the web member for convenience in assembly. The existing web member, especially the V-shaped opening of an 80-square tube, is manufactured by firstly manually marking and then carrying out flame cutting, the manufacturing process has more working procedures and causes low efficiency, and the flame cutting has low precision due to manual operation and cannot meet the product requirements; if a linear cutting process is adopted, the precision is achieved, but the efficiency is low and the cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tower crane standard festival web member V type mouthful die, it can realize improving 80 square web member V type mouthful die-shear efficiency and precision to the not enough of prior art existence.

In order to achieve the above object, the utility model provides a following technical scheme: a V-shaped opening punching die for a standard web member of a tower crane is used for punching and shearing a V-shaped opening on an 80-square web member and comprises an upper die and a lower die;

the lower part of the upper die is provided with a punching head with a V-shaped column structure;

the lower die comprises a punching part fixing seat; a V-shaped stamping hole matched with the stamping head is formed in the stamping part fixing seat; the punching hole penetrates through the upper side and the lower side of the punching piece fixing seat;

the stamping head is arranged on the upper side of the stamping part fixing seat, and the stamping head slides in the stamping hole relative to the stamping part fixing seat under the action of external force;

when the web member is punched and cut, the punching head penetrates through the punching hole, and the maximum stroke of the lower end of the punching head is positioned at the lower side of the web member.

Preferably, the lower die further comprises a base with a groove formed in the front end; towards a rear wall fixed connection of fixing base one end and recess, towards the periphery of a fixing base and the inner wall of recess and keep a distance.

Preferably, the rear wall of the punched hole is flush with the rear wall of the recess.

Preferably, when punching and shearing the web member, the periphery of the punching part fixing seat is in seamless contact with the inner periphery of the web member.

Preferably, when the web member is punched, the lower end of the punch is in line contact with the web member.

Preferably, the lower end surface of the punching head is inclined.

Preferably, the horizontal height of the lower end surface of the punching head is gradually increased along with the reduction of the V-shaped opening.

Preferably, the die comprises a die handle; the upper die also comprises a fixed block; the upper end of the fixed block is fixedly connected with the lower end of the die handle; the lower end of the fixed block is fixedly connected with the upper end of the stamping head.

Preferably, the device also comprises a guide rail; the lower end of the guide rail is fixedly connected with the upper end of the base, the upper part of the guide rail is in sliding connection with the fixing block, and the sliding direction of the fixing block is the same as the length direction of the guide rail.

Compared with the prior art, the beneficial effects of the utility model are that: through the punching press head that sets up V type structure on last mould, set up on the lower mould and dash a fixing base, dash and set up on the fixing base with the first matched with V type punching press hole of punching press, only need establish the web member cover when dashing and cutting on dashing a fixing base, start the lathe and make the punching press head push down and dash and cut the web member, make whole die easy operation like this can also reach and dash and cut the precision, labour saving and time saving has improved the web member and has dashed and cut efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of the front side of the V-shaped port punching die of the present invention;

fig. 3 is a schematic side view of the V-shaped punch die of the present invention;

fig. 4 is a schematic structural view of the upper die of the present invention;

fig. 5 is a schematic structural view of the lower side of the upper die of the present invention;

fig. 6 is a schematic view of the lower mold structure of the present invention.

In the figure: 1 die shank, 2 last moulds, 201 fixed block, 202 punching heads, 3 guide pillars, 4 lower moulds, 401 base, 402 punching fixing base, 4021 punching hole, 5 web members.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

The first embodiment is as follows: referring to fig. 1-6, a tower crane standard web member V-notch punching die for punching a V-notch on an 80-square web member 5 comprises: the die comprises a die shank 1, an upper die 2, a guide post 3 and a lower die 4.

The upper die 2 comprises a fixed block 201 and a stamping head 202; the lower end of the fixed block 201 is fixedly connected with the upper end of the stamping head 202 through a bolt; the upper end of the fixing block 201 is fixedly connected with the lower end of the die shank 1 through a bolt; in this embodiment, the length direction of the punching head 202 is the same as the length direction of the die shank 1, and when the punching head is used, the upper end of the die shank 1 is fixedly connected with the output end of an external punching machine so as to receive the punching and shearing driving force and transmit the punching and shearing driving force to the punching head 202;

as shown in fig. 3, 4 and 5, the lower portion of the punch 202 has a V-shaped column structure, and the horizontal height of the lower end surface of the punch 202 gradually decreases from front to back, specifically, the horizontal height of the lower end surface of the punch 202 gradually increases as the opening diameter of the V-shaped opening decreases, so that when the punch 202 punches the web member 5, the punch 202 linearly contacts the web member 5, the pressure between the punch 202 and the web member 5 is increased, and the punching efficiency is further improved.

As shown in fig. 2 and 6, the lower die 4 includes a base 401 and a punch holder 402; a groove is formed in the front of the base 401 to enable the base 401 to be of a concave structure, the punching fixing seat 402 is arranged in the groove of the base 401, and the rear end of the punching fixing seat 402 is fixedly connected with the rear wall of the groove; the left end of the punch fixing seat 402 keeps a distance from the left arm of the groove; the right end of the punching fixing seat 402 is spaced from the right arm of the groove; the base 401 and the punching fixing seat 402 form a structure shaped like a Chinese character 'shan'; the upper end face of the punching fixing seat 402 is flush with the upper end face of the base 401, and the front end face of the punching fixing seat 402 is flush with the front end face of the base 401; the horizontal height of the lower end face of the punching fixing seat 402 is higher than that of the lower end face of the base 401; the punching fixing seat 402 is provided with a punching hole 4021 which penetrates through the upper side and the lower side of the punching fixing seat 402; the rear wall of the punch hole 4021 is flush with the rear wall of the groove and is positioned so that the web member 5 is punched out with an open V-shaped port.

In the present embodiment, the upper die 2 is disposed opposite to the lower die 4, and the upper die 2 is located on the upper side of the lower die 4; the number of the guide posts 3 is two, and the two guide posts 3 are uniformly arranged between the upper die 2 and the lower die 4; the lower ends of the guide posts 3 are fixedly connected with the upper end of the base 401, the upper portions of the guide posts 3 are slidably connected with the fixing block 201, and the fixing block 201 can slide up and down along the length direction of the two guide posts 3 under the action of external force.

In this embodiment, when punching and shearing the web member 5, the web member 5 is sleeved on the outer periphery of the punching fixing seat 402, the outer periphery of the punching fixing seat 402 is in seamless contact with the inner periphery of the web member 5, the upper die 2 is driven to press down by operating the machine tool, the punching hole 4021 is matched with the punching head 202, the punching head 202 penetrates through the punching hole 4021 to punch and shear the web member 5, and the maximum stroke of the lower end of the punching head 202 is located on the lower side of the web member 5.

Through this technical scheme, set up the punching press head 202 of V type structure on last mould 2, set up on lower mould 4 and dash a fixing base 402, dash and offer on a fixing base 402 with punching press head 202 matched with V type punching press hole 4021, only need overlap web member 5 when dashing and cutting on dashing a fixing base 402, start the lathe and make punching press head 202 push down and dash and cut web member 5, make whole die easy operation can also reach and dash the precision like this, labour saving and time saving has improved web member 5 and has dashed shear efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tower crane standard festival web member V type mouth die for 80 square web members (5) punch shear go out V type mouth, its characterized in that: comprises an upper die (2) and a lower die (4);

a punching head (202) of a V-shaped column structure is arranged at the lower part of the upper die (2);

the lower die (4) comprises a punching fixed seat (402); a V-shaped stamping hole (4021) matched with the stamping head (202) is formed in the stamping part fixing seat (402); the punching hole (4021) penetrates through the upper side and the lower side of the punching fixing seat (402);

the punching head (202) is arranged on the upper side of the punching part fixing seat (402), and under the action of external force, the punching head (202) slides in the punching hole (4021) relative to the punching part fixing seat (402);

when the web member (5) is punched and sheared, the punching head (202) penetrates through the punching hole (4021), and the maximum stroke of the lower end of the punching head (202) is positioned below the web member (5).

2. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: the lower die (4) also comprises a base (401) with a groove at the front end; towards a rear wall fixed connection of fixing base (402) one end and recess, towards the periphery of fixing base (402) and the inner wall of recess and keep a distance.

3. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: the rear wall of the punched hole (4021) is flush with the rear wall of the groove.

4. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: when the web member (5) is punched and cut, the outer periphery of the punching part fixing seat (402) is in seamless contact with the inner periphery of the web member (5).

5. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: when the web member (5) is punched and cut, the lower end of the punching head (202) is in line contact with the web member (5).

6. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: the lower end surface of the punching head (202) is inclined.

7. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: the horizontal height of the lower end face of the stamping head (202) is gradually increased along with the reduction of the caliber of the opening of the V-shaped opening.

8. The tower crane standard web member V-shaped opening punching die as claimed in claim 1, characterized in that: also comprises a die handle (1); the upper die (2) further comprises a fixing block (201); the upper end of the fixing block (201) is fixedly connected with the lower end of the die handle (1); the lower end of the fixed block (201) is fixedly connected with the upper end of the punching head (202).

9. The tower crane standard web member V-shaped opening punching die as claimed in claim 8, characterized in that: also comprises a guide rail (3); the lower end of the guide rail (3) is fixedly connected with the upper end of the base (401), the upper part of the guide rail (3) is connected with the fixing block (201) in a sliding mode, and the sliding direction of the fixing block (201) is the same as the length direction of the guide rail (3).